Reference
Remy Reference/admin/Lift from live
?

Lift from live

Destructively replace the dev databases with a snapshot of live (or truncate dev).
admin.data.liftFromLive()

Destructively replace the dev databases with a snapshot of live, or with --truncate empty dev without reading from live. Only dev is overwritten; live is never touched. Useful for reproducing a prod bug against real data or re-syncing a stale sandbox.

Parameters
--truncate
boolean
Empty dev in place instead of copying from live.
--confirm
boolean
RequiredRequired; the operation is destructive.
CLI
remy-admin data lift-from-live --confirm